can anyone tell me the aim , material required , procedure, observation,and precaution for the activity in which you have to show we breath out carbon dioxide by blowing into lime water
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Aim-To detemine the gas which comes out when we breathe out
material-Test tube , lime water, lass tube
procedure-slowly blow the air into glass tube
observation-lime water turns milky due to formation of caco3. This indicates the gas which we breathe out is co2
precaution- do not intake the lime water in test tube
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